제출 #763462

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
763462	2023-06-22 10:48:19	keta_tsimakuridze	3단 점프 (JOI19_jumps)	C++14	100 / 100	1204 ms	107112 KiB

jumps

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#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
using namespace std;
const int N = 5e5 + 5, mod = 1e9 + 7; // !
pair<int,int> t[4 * N];
int lz[4 * N], a[N];
vector<int> x[N];
vector<pair<int,int>> qry[N];
void build(int u, int l, int r) {
    if(l == r) {
        t[u] = {-0, a[r]};
        return;
    }
    int mid = (l + r) / 2;
    build(2 * u, l, mid); build(2 * u + 1, mid + 1, r);
    t[u] = {max(t[2 * u].f, t[2 * u + 1].f), max(t[2 * u].s, t[2 * u + 1].s)};
}
void push(int u, int l, int r) {
    t[u].f = max(t[u].f, lz[u] + t[u].s);
    if(l != r) {
        lz[2 * u] = max(lz[2 * u], lz[u]);
        lz[2 * u + 1] = max(lz[2 * u + 1], lz[u]);
    }
    lz[u] = 0;
}
void upd(int u, int st,int en, int l, int r, int v) {
    if(lz[u]) push(u, l, r);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main(){
      | ^~~~
jumps.cpp: In function 'int main()':
jumps.cpp:73:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for(int j = 0; j < x[l].size(); j++) {
      |                        ~~^~~~~~~~~~~~~
jumps.cpp:78:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |         for(int i = 0; i < qry[l].size(); i++) {
      |                        ~~^~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54